Air conditioner



FIG. 1 is the front perspective view of an air conditioner showing our new design;

FIG. 2 is the front view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left-side view thereof;

FIG. 5 is the right-side view thereof;

FIG. 6 is the top view thereof;

FIG. 7 is the bottom view thereof;

FIG. 8 is the bottom perspective view thereof; and,

FIG. 9 is the enlarged view of the encircled portion in FIG. 2.

The broken lines illustrating portions of the air conditioner form no part of the claimed design. The dot-dash broken lines in the figures represent a boundary line and form no part of the claimed design. The dot-dot-dash broken lines encircling portions of the claimed design that are illustrated in enlargements form no part of the claimed design. 

CLAIM We claim the ornamental design for an air conditioner, as shown and described. 